package net.minecraft.client.audio;

import java.util.Random;
import net.minecraft.client.Minecraft;
import net.minecraft.util.ITickable;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;

public class MusicTicker implements ITickable {
	private final Random rand = new Random();
	private final Minecraft mc;
	private ISound currentMusic;
	private int timeUntilNextMusic = 100;

	public MusicTicker(Minecraft mcIn) {
		this.mc = mcIn;
	}

	/**
	 * Like the old updateEntity(), except more generic.
	 */
	public void update() {
		MusicTicker.MusicType musicticker$musictype = this.mc.getAmbientMusicType();

		if (this.currentMusic != null) {
			if (!musicticker$musictype.getMusicLocation().equals(this.currentMusic.getSoundLocation())) {
				this.mc.getSoundHandler().stopSound(this.currentMusic);
				this.timeUntilNextMusic = MathHelper.getRandomIntegerInRange(this.rand, 0,
						musicticker$musictype.getMinDelay() / 2);
			}

			if (!this.mc.getSoundHandler().isSoundPlaying(this.currentMusic)) {
				this.currentMusic = null;
				this.timeUntilNextMusic = Math.min(MathHelper.getRandomIntegerInRange(this.rand,
						musicticker$musictype.getMinDelay(), musicticker$musictype.getMaxDelay()),
						this.timeUntilNextMusic);
			}
		}

		if (this.currentMusic == null && this.timeUntilNextMusic-- <= 0) {
			this.func_181558_a(musicticker$musictype);
		}
	}

	public void func_181558_a(MusicTicker.MusicType p_181558_1_) {
		this.currentMusic = PositionedSoundRecord.create(p_181558_1_.getMusicLocation());
		this.mc.getSoundHandler().playSound(this.currentMusic);
		this.timeUntilNextMusic = Integer.MAX_VALUE;
	}

	public void func_181557_a() {
		if (this.currentMusic != null) {
			this.mc.getSoundHandler().stopSound(this.currentMusic);
			this.currentMusic = null;
			this.timeUntilNextMusic = 0;
		}
	}

	public static enum MusicType {
		MENU(new ResourceLocation("minecraft:music.menu"), 20, 600),
		GAME(new ResourceLocation("minecraft:music.game"), 12000, 24000),
		CREATIVE(new ResourceLocation("minecraft:music.game.creative"), 1200, 3600),
		CREDITS(new ResourceLocation("minecraft:music.game.end.credits"), Integer.MAX_VALUE, Integer.MAX_VALUE),
		NETHER(new ResourceLocation("minecraft:music.game.nether"), 1200, 3600),
		END_BOSS(new ResourceLocation("minecraft:music.game.end.dragon"), 0, 0),
		END(new ResourceLocation("minecraft:music.game.end"), 6000, 24000);

		private final ResourceLocation musicLocation;
		private final int minDelay;
		private final int maxDelay;

		private MusicType(ResourceLocation location, int minDelayIn, int maxDelayIn) {
			this.musicLocation = location;
			this.minDelay = minDelayIn;
			this.maxDelay = maxDelayIn;
		}

		public ResourceLocation getMusicLocation() {
			return this.musicLocation;
		}

		public int getMinDelay() {
			return this.minDelay;
		}

		public int getMaxDelay() {
			return this.maxDelay;
		}
	}
}
